 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<audio  autoplay="autoplay" id="auto" src=""></audio>
<input type="button" value="点击播放" onclick="playSound('http://data.huiyi8.com/2017/gha/03/17/1702.mp3')">
</body>
<script src="https://code.jquery.com/jquery-3.0.0.min.js"></script>
<script>
    $(function(){
    function playSound(src) {
    var auto = $("#auto");
    auto.attr("src",src);
    }
    })
 
</script>
</html>
</script>
</html>